Home / 2,381.45-3,554.64-2,210.27

Finding the Fourth Proportional to 2,381.45, 3,554.64 and 2,210.27

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Solution

The fourth proportional to 2,381.45, 3,554.64 and 2,210.27 is: 3,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.45 : 3,554.64 = 2,210.27 : x
  2. Step 2: Convert to fraction form
    2,381.45/3,554.64 = 2,210.27/x
  3. Step 3: Cross multiply
    2,381.45x = 3,554.64 × 2,210.27
  4. Step 4: Simplify right side
    2,381.45x = 7,856,696.38
  5. Step 5: Solve for x
    x = 7,856,696.38/2,381.45
  6. Step 6: Final answer
    x = 3,299.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.